TRANS-1,4-CYCLOHEXANE DIISOCYANATE

Base Information

• Chemical Name: TRANS-1,4-CYCLOHEXANE DIISOCYANATE
• CAS No.: 7517-76-2
• Molecular Formula: C8H10 N2 O2
• Molecular Weight: 166.18
• Hs Code.: 2929109000
• Mol file: 7517-76-2.mol

Synonyms:Isocyanicacid, 1,4-cyclohexylene ester, trans- (8CI);trans-1,4-Cyclohexadiylbis(isocyanate); trans-1,4-Cyclohexanediisocyanate;trans-1,4-Cyclohexylene diisocyanate; trans-1,4-Cyclohexylene isocyanate;trans-1,4-Diisocyanatocyclohexane

Chemical Property of TRANS-1,4-CYCLOHEXANE DIISOCYANATE

Chemical Property:

• Vapor Pressure: <0.02 mm Hg ( 20 °C)
• Melting Point: 59-62 °C(lit.)
• Refractive Index: 1.6180 (estimate)
• Boiling Point: 145-146°C 32mm
• Flash Point: 145-146°C/32mm
• PSA: 58.86000
• Density: 1.21g/cm3
• LogP: 0.96920
• Sensitive.: Moisture Sensitive
• Water Solubility.: Hydrolyzes in water.

Purity/Quality:

98%,99%, ^*data from raw suppliers

trans-1,4-Cyclohexylene diisocyanate 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): 2804862
• Hazard Codes: T
• Statements: 23/24/25-34-42/43
• Safety Statements: 22-26-36/37/39-45

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Mixed aromatic/alicyclic polyimides were prepared by polycondensation reactions of trans-1,4-cyclohexane diisocyanate CHDI with PMDA, BTDA, and 6FDA. The intermediate reactivity observed for CHDI, allows preparation of polyurethanes.

Technology Process of TRANS-1,4-CYCLOHEXANE DIISOCYANATE

There total 4 articles about TRANS-1,4-CYCLOHEXANE DIISOCYANATE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 80.0%

→ trans-1,4-cyclohexane diisocyanate (7517-76-2)

Guidance literature:

Reference yield: 62.4%

→ trans-1,4-cyclohexyl-bis-(p-tolyl-sulphonyl urea) + trans-1,4-cyclohexane diisocyanate (7517-76-2)

Guidance literature:

Reference yield:

trans-1,4-diaminocyclohexane (3114-70-3) + methylammonium carbonate (15719-64-9,15719-76-3,97762-63-5) → trans-1,4-cyclohexane diisocyanate (7517-76-2)

Guidance literature:

With 1,2-dichloro-benzene; at 95 ℃; und Einleiten von Phosgen in eine Suspension der erhaltenen Carbamidsaeure,zuletzt bei 160grad;

upstream raw materials:

carbon dioxide

trans-1,4-cyclohexyldiamine

trans-1,4-diaminocyclohexane

methylammonium carbonate

Refernces

• 1、 -. "Preparation of trans cyclohexane 1,4 diisocyanate". . . Retrieved 2008/06/13.